PHP enhanced learning video course

• Chapter1 variable
• 1-1 Variable type
• 1-2 Variable detection
• 1-3 Type detection
• 1-4 Debug print variables
• 1-5 type conversion
• 1-6 Assignment
• 1-7 destroy
• 1-8 Dynamic variable name
• Chapter2 operator
• 2-1 Three points to note about arithmetic operators
• 2-2 comparison operator
• 2-3 increment decrement operator
• 2-4 Logical Operators
• 2-5 increment decrement operator
• 2-6 String operators
• 2-7 assignment operator
• Chapter3 control structure
• 3-1 switch case control structure
• 3-2 do while
• 3-3 for loop
• 3-4 break和continue
• 3-5 Bridge crossing problem
• 3-6 multiplication table
• 3-7 One hundred dollars buys one hundred chickens
• Chapter4 function
• 4-1 Function concept
• 4-2 function definition format
• 4-3 Function execution and return process
• 4-4 Function parameter passing method
• 4-5 Optional parameters
• 4-6 function scope
• 4-7 Dynamically calling functions
• 4-8 timestamp function
• 4-9 Timestamp formatting
• 4-10 Date parsing function
• Chapter5 string
• 5-1 String definition method
• 5-2 Escape, variable parsing, and speed comparison
• 5-3 Common string functions
• Chapter6 Comprehensive Case Document Management System
• 6-1 file management system
• Chapter7 array
• 7-1 Array definition method
• 7-2 array type
• 7-3 Array key rules
• 7-4 Operate array unit
• 7-5 Traverse array
• 7-6 Array cursor operations
• 7-7 Common functions for arrays
• 7-8 lamb breeding
• Chapter8 superglobal variable
• 8-1 superglobal variables
• Chapter9 constant
• 9-1 constant
• Chapter10 File contains
• 10-1 File contains
• Chapter11 Comprehensive case
• 11-1 Domain names and DNS
• 11-2 Configure virtual host
• Chapter12 Base and bit operations
• 12-1 hexadecimal concept
• 12-2 Bit operations
• Chapter13 other
• 13-1 Floating point numbers are not precise enough
• 13-2 Short-circuiting properties of logical operators
• 13-3 recursive concept
• 13-4 Recursive tricks
• 13-5 Recursion exercises
• 13-6 staticstatic variable